Ratio

Basic Concept of Ratio

100

Write the ratio of 5 apples to 7 oranges.

5:7

200

In a class, there are 12 boys and 8 girls. What is the ratio of boys to girls?

3:2

300

For every 2 red marbles, there are 5 blue marbles. Write the ratio of red marbles to total marbles.

2:7

400

A ribbon is cut into two pieces of lengths 3 cm and 4 cm. Write the ratio of the shorter piece to the longer piece.

3：4

Find the Value of the Ratio

100

Find the value of 8:4

2

200

Find the value of 5:15  (Write as a fraction in simplest form)

1/3

300

Find the value of 2.4:1.2

2：1

400

Find the value of 3/4 : 1/2

3:2

Simplify the Ratio

100

Simplify 10:15

2:3

200

Simplify 20cm : 0.5m

2:5

300

Simplify 0.8t:500kg

8:5

400

Simplify 15min:1h

1:4

Keyword

100

What does “ratio” mean?

比；比值

200

What does “Consequent” mean?

比的后项

300

What does “Numerator” mean?

分子

400

What does “Antecedent” mean?

比的前项